Wheel bearing unit



FIG. 1 is a front, right perspective view of a wheel bearing unit showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

Light grey surface shading represents a black oxide finish. 

CLAIM The ornamental design for a wheel bearing unit, as shown and described. 